Advance Guardian Heroes - Platform: Gameboy Advance

Endless Mode:
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Finish the game on Hard difficulty. 

New Characters (Monsters and Allies):
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Finish Time Attack mode multiple times to unlock new 
characters or donate gems in story mode to the laboratory.

Time Attack Mode:
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Finish the game on Normal difficulty. 

Unlock New Characters:
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Spend crystals between stages during the campaign or clear 
time attack. As data completion increases, new characters 
are unlocked. 

Default - Enn
Default - Hyu
Default - Ray
#1 - Goblin
#2 - Dylan
#3 - Soldier
#4 - Cyclops 
#5 - Goblin Tank
#6 - Sorcerer
#7 - Roper
#8 - Han
#9 - Heavy Gear
#10 - Gargoyle
#11 - Edo
#12 - Sky Knight
#13 - Valgar
#14 - Zur
#15 - Cerena
#16 - Nicole
#17 - Kanon 

Alternate Title Screen:
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Beat the game on Super Hard difficulty.